Skip to product information
1 of 1

Fortpro

Cylinder Liner O-Rings for Cummins 855 & N14 Engine Series - Replaces AR51477

Cylinder Liner O-Rings for Cummins 855 & N14 Engine Series - Replaces AR51477

SKU: F020423

Availability: Out of stock

Regular price $3.30 USD
Regular price Sale price $3.30 USD
Sale Sold out
Shipping calculated at checkout.

Important things to Consider

CHECK COMPATIBILITY: Ensure that your OEM part number matches the one in our cross-reference list before making a purchase.

PREVENT UNNECESSARY RETURNS: Don’t rely on appearance alone. Always confirm compatibility by verifying part numbers, not just how the part looks.

TRUCK BRAND MENTION DOES NOT GUARANTEE FIT: If we reference a specific truck brand, it doesn’t imply compatibility with all models. Double-check model specifics to avoid any mismatch.

Shipping Policy

In order to send your purchase, our company may use different freight companies like USPS, UPS and some 3erd Carrier Services for Oversize orders, this will not affect the final price of your order. We will send you all the information in due time. 

For Free Shipping and Freight/Oversize Shipments they are some special term you may check at our Terms & Conditions page.

 

Return Policy

If for any reason you need to return a purchased item, we have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must met the conditions stablished in our Terms & Conditions.

To start a return, you can contact us at admin@maxitrucks.com

About this Item

  • Provides a perfect seal for the cylinder liners, preventing oil and coolant leaks and ensuring efficient engine operation.
  • Compatible with Cummins 855 and N14 engines, ensuring precise fitment and reliable performance.
  • Maintains its elasticity and flexibility under extreme conditions, resisting wear and deformation.
  • Manufactured with high quality materials that offer excellent resistance to heat and chemicals, guaranteeing a long useful life.
  • Replaces OEM references AR51477 and 121201, facilitating quick and hassle-free installation.
View full details

Fortpro Cylinder Liner O-Rings are the ultimate solution for maintaining the integrity and performance of your Cummins 855 and N14 engines. These O-rings are precision engineered to provide a tight seal that prevents oil leaks, ensuring your engine runs efficiently and safely. Made from heat and chemical resistant materials, these O-rings ensure exceptional durability and long life, even in the most extreme conditions. Compatible with OEM references AR51477 and 121201, their installation is simple and guarantees a perfect fit, protecting the engine from major problems and improving general efficiency.


Fortpro is a trusted leader in the development and manufacturing of premium-quality truck parts designed to meet the demands of semi-trucks and heavy-duty trucks. Renowned for innovation, durability, and reliability, Fortpro products are engineered to enhance performance, safety, and efficiency across a wide range of trucking applications.

Whether you're seeking OEM replacement parts or upgrades, Fortpro provides a diverse selection of components backed by a global reputation for quality and innovation. Trust Fortpro for the parts you need to keep your vehicles on the road longer and stronger.

  • Brand: Fortpro
  • Vehicle Type: Semi-Trucks / Heavy Trucks
  • Product Department: Engine
  • Product category : Cummins Parts
  • Part Type: Cylinder Liner O-Rings / Liner O-Ring Kit
  • OEM Reference #: AR51477
  • Outside Diameter (O.D): 5.90 in.
  • Applications:
    Cummins N14 Engine Series
    Cummins 855 Engine
  • Cummins: AR51477
  • PAI: 121201
Dimensions Not Available.